256822500

素因数分解:

$2^2\times 3^1\times 5^4\times {\mathrm{11}}^2\times {\mathrm{283}}^1$

素因数の和:332

約数の個数: 180

約数和(自身を含む): 825998096

約数和(自身を除く): 569175596

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 30, 33, 44, 50, 55, 60, 66, 75, 100, 110, 121, 125, 132, 150, 165, 220, 242, 250, 275, 283, 300, 330, 363, 375, 484, 500, 550, 566, 605, 625, 660, 726, 750, 825, 849, 1100, 1132, 1210, 1250, 1375, 1415, 1452, 1500, 1650, 1698, 1815, 1875, 2420, 2500, 2750, 2830, 3025, 3113, 3300, 3396, 3630, 3750, 4125, 4245, 5500, 5660, 6050, 6226, 6875, 7075, 7260, 7500, 8250, 8490, 9075, 9339, 12100, 12452, 13750, 14150, 15125, 15565, 16500, 16980, 18150, 18678, 20625, 21225, 27500, 28300, 30250, 31130, 34243, 35375, 36300, 37356, 41250, 42450, 45375, 46695, 60500, 62260, 68486, 70750, 75625, 77825, 82500, 84900, 90750, 93390, 102729, 106125, 136972, 141500, 151250, 155650, 171215, 176875, 181500, 186780, 205458, 212250, 226875, 233475, 302500, 311300, 342430, 353750, 389125, 410916, 424500, 453750, 466950, 513645, 530625, 684860, 707500, 778250, 856075, 907500, 933900, 1027290, 1061250, 1167375, 1556500, 1712150, 1945625, 2054580, 2122500, 2334750, 2568225, 3424300, 3891250, 4280375, 4669500, 5136450, 5836875, 7782500, 8560750, 10272900, 11673750, 12841125, 17121500, 21401875, 23347500, 25682250, 42803750, 51364500, 64205625, 85607500, 128411250, 256822500]

約数ペア:

[(1, 256822500), (2, 128411250), (3, 85607500), (4, 64205625), (5, 51364500), (6, 42803750), (10, 25682250), (11, 23347500), (12, 21401875), (15, 17121500), (20, 12841125), (22, 11673750), (25, 10272900), (30, 8560750), (33, 7782500), (44, 5836875), (50, 5136450), (55, 4669500), (60, 4280375), (66, 3891250), (75, 3424300), (100, 2568225), (110, 2334750), (121, 2122500), (125, 2054580), (132, 1945625), (150, 1712150), (165, 1556500), (220, 1167375), (242, 1061250), (250, 1027290), (275, 933900), (283, 907500), (300, 856075), (330, 778250), (363, 707500), (375, 684860), (484, 530625), (500, 513645), (550, 466950), (566, 453750), (605, 424500), (625, 410916), (660, 389125), (726, 353750), (750, 342430), (825, 311300), (849, 302500), (1100, 233475), (1132, 226875), (1210, 212250), (1250, 205458), (1375, 186780), (1415, 181500), (1452, 176875), (1500, 171215), (1650, 155650), (1698, 151250), (1815, 141500), (1875, 136972), (2420, 106125), (2500, 102729), (2750, 93390), (2830, 90750), (3025, 84900), (3113, 82500), (3300, 77825), (3396, 75625), (3630, 70750), (3750, 68486), (4125, 62260), (4245, 60500), (5500, 46695), (5660, 45375), (6050, 42450), (6226, 41250), (6875, 37356), (7075, 36300), (7260, 35375), (7500, 34243), (8250, 31130), (8490, 30250), (9075, 28300), (9339, 27500), (12100, 21225), (12452, 20625), (13750, 18678), (14150, 18150), (15125, 16980), (15565, 16500)]